发明授权
- 专利标题: Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride
- 专利标题(中): 具有六硼化镧单晶尖端的热电子发射阴极
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申请号: US675963申请日: 1976-04-12
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公开(公告)号: US4055780A公开(公告)日: 1977-10-25
- 发明人: Shichio Kawai , Takaho Tanaka , Eisuke Bannai , Kenji Uchida , Ryuichi Shimizu
- 申请人: Shichio Kawai , Takaho Tanaka , Eisuke Bannai , Kenji Uchida , Ryuichi Shimizu
- 申请人地址: JA Ibaraki
- 专利权人: National Institute for Researches in Inorganic Materials
- 当前专利权人: National Institute for Researches in Inorganic Materials
- 当前专利权人地址: JA Ibaraki
- 优先权: JA50-43717 19750410; JA50-50135 19750424; JA50-107739 19750904
- 主分类号: H01J1/148
- IPC分类号: H01J1/148 ; H01J1/14 ; H01J19/06 ; H01K1/04
摘要:
A single crystal of lanthanum hexaboride is used as a tip of a thermionic emission cathode.
公开/授权文献
- US5937637A System for purifying exhaust gas for use in an automobile 公开/授权日:1999-08-17
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